package com.mccken.designpattern.listener;

/**
 * @program: mccken-collect
 * @description:
 * @author: mccken
 * @create: 2022-10-24 13:33
 **/
public class Listener1 implements McckenListener{
	@Override
	public void onChange() {
		System.out.println("Listener1");
	}
}
